Changes

A '''coma''' is a serious condition that has nothing to do with sleep. A person in a coma isunconscious and will not respond to [[voice]]s, other [[sound]]s, or any sort of activity going on around them. He or she is still alive, but his or her brain is functioning at its lowest stage of alertness. Comas can be caused by different things, including:

A '''coma''' is a serious condition that has nothing to do with [[sleep]]. A person in a coma is [[unconscious]] and will not respond to [[voice]]s, other [[sound]]s, or any sort of activity going on around them. He or she is still [[alive]], but his or her [[brain]] is functioning at its lowest stage of alertness. Comas can be caused by different things, including:

* a severe injury to the head that damages the [[brain]]

* a severe injury to the head that damages the [[brain]]

* [[seizure]]s

* [[seizure]]s